2016

6.2

2016

6.4

1966

6.3

1992

6.3

2007

5.7

2006

7.6

1960

6.6

1973

7.0

1956

7.7

1990

6.5

1994

7.4

1997

6.0

1966

5.6

1952

0.0

2005

6.5

1970

7.5

1990

1.0

1962

7.0

2000

6.1

1995

6.9